Research & Data

Use this portal to filter and search for all of our scientific information.

Ecology provides the high-quality science that is the foundation of Washington state environmental policy. Our monitoring, assessment, and modeling services provide a data-rich understanding of our state’s land, air, and water. We provide access to that data through reports, databases, maps and user-friendly online tools.

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200923 phonein NWIW hearing

Sept. 23 phone in NWIW hearing transcript

https://ecology.wa.gov/200923-phonein-nwiw-hearing

200922pm NWIW hearing

200922pm NWIW hearing transcript

https://ecology.wa.gov/200922pm-nwiw-hearing

NWIW-Kalama presentation, Sept. 17, 2020

PowerPoint presentation provided at the Sept. 17, 2020, public hearing for the NWIW-Kalama project.

https://ecology.wa.gov/200917-nwiw-hearing-presentation

Sept. 17, 2020 - NWIW - SSEIS hearing transcript

A transcript of the hearing on the second supplemental environmental impact statement for the Northwest Innovation Works-Kalama proposal.

https://ecology.wa.gov/200917-nwiw-hearing-transcript

TransAlta Best Available Retrofit Technology (BART) order, 6/18/10

This is the TransAlta Best Available Retrofit Technology (BART) order, 6/18/10.

https://ecology.wa.gov/tasignedbartorder

200922am NWIW hearing

Sept. 22 a.m. NWIW hearing transcript

https://ecology.wa.gov/200922am-nwiw-hearing

May 25, 2010 TransAlta agreement

This is the May 25, 2010 agreement between Ecology and TransAlta for the TransAlta power plant.

https://ecology.wa.gov/transaltasignedagreement

Technical support document for the air quality general order for asphalt plants

This is the technical support document for the air quality general order for asphalt plants.

https://ecology.wa.gov/20110418asphaltplantstsd

Historic 2010 Upland Fin-fish Hatching and Rearing General Permit

This is the 2010 general permit for upland fin-fish hatching and rearing general permit. This is a National Pollutant Discharge Elimination System (NPDES) and State Waste Discharge General Permit for discharges to water associated with upland fin-fish hatching and rearing activities.

https://ecology.wa.gov/2010permitfinal

Washington Department of Information Services Data Center - Technical Support Document for Health Impact Assessment

Technical Support Document for Health Impact Assessment (Second Tier Review) for Washington Department of Information Services Data Center, 9/16/10

https://ecology.wa.gov/finaldistier2-09-16-2010

Blackrock-Sabey Data Centers - Technical Support Document for Health Impact Assessment

Technical Support Document for Health Impact Assessment (Second Tier Review) for Blackrock and Sabey Data Centers, 10/5/10

https://ecology.wa.gov/tier2-tsd-blackrock-sabey-cl100510

Quincy Air Quality Maps

Maps of Quincy air quality before and after Microsoft Columbia Data Center permit (from 12/13/10 community forum), 12/10

https://ecology.wa.gov/maps-of-quincy-air-quality

Microsoft Columbia Data Center - Notice of Construction permit

Notice of Construction permit for Microsoft Columbia Data Center, 10/26/10